since brians shadow is 2/3rds his height
4 / 6 is 2 /3
20 / 30 is 2 / 3 too so flag pole must be 30 feet tall
Keywords
complementary angles, right angle
we know that
If two angles are <u>complementary angles</u>, then their sum is equal to a <u>right angle</u>
In this problem
-------> by <u>complementary angles</u>
we have

Substitute and solve for Angle TSU

therefore
the answer is the option

Answer:
18+316−251−11
=72
Step-by-step explanation:
18+316−251−11
=334−251−11
=83−11
=72
If this question is typed correctly then the answer would be 13 hours and 15 minutes